Pyxidanthera

Michaux

Fl. Bor.-Amer. 1: 152, plate 17. 1803 ,.

Common names: Pyxie-moss pyxie flowering-moss
Etymology: Greek pyxidos, small box, and antheros, anther, alluding to opening of anthers by transverse slit, simulating box lid
Treatment appears in FNA Volume 8. Treatment on page 336. Mentioned on page 332, 333, 337.
 TaxonIllustrator 
FNA8 P39 Shortia galacifolia.jpegShortia
Shortia galacifolia
Shortia galacifolia var. galacifolia
Pyxidanthera
Pyxidanthera barbulata
Diapensia
Diapensia lapponica
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Subshrubs, creeping, mat-forming, caulescent, rhizomatous, from adventitiously rooted, slender, woody stems. Stems: main-stems mostly prostrate to decumbent, branched; branches prostrate to decumbent. Leaves cauline, alternate, often densely congested, 2–7 (–10) mm; petiole absent; blade narrowly oblanceolate to lanceolate or ovatelanceolate, margins entire, apex acute, minutely apiculate, surfaces glabrous or hairy, appearing 1-veined. Inflorescences solitary flowers, usually at tips of short, leafy branches, sessile. Flowers: sepals connate proximally; petals connate in proximal 2/5–1/2, corolla rotate, 2–5 mm, lobes white, margins entire or slightly erose; anthers 2-locular, basally spurred, transversely dehiscent; filaments adnate to corolla-tube; staminodes absent. x = 6.

Distribution

se United States

Discussion

Species 2 (2 in the flora).

Selected References

None.

Key

1 Leaf blades narrowly oblanceolate to lanceolate, 3.5-7(-10) mm, those of fertile shoots ciliate along proximal margins, adaxial surface usually white-pilose on proximal 1/5-1/3. Pyxidanthera barbulata
1 Leaf blades ovate-lanceolate to obovate-lanceolate, usually 2-4 mm, those of fertile shoots eciliate, adaxial surface white-pilose throughout. Pyxidanthera brevifolia
... more about "Pyxidanthera"
Bruce A. Sorrie +, Alan S. Weakley +  and Guy L. Nesom +
Michaux +
dentate-serrate +  and entire +
narrowly oblanceolate;lanceolate or ovatelanceolate +
Pyxie-moss +, pyxie +  and flowering-moss +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
se United States +
straight;curved +
Greek pyxidos, small box, and antheros, anther, alluding to opening of anthers by transverse slit, simulating box lid +
loculicidal +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
erose +  and entire +
tenuinucellate +, bitegmic +  and hemitropous +
amphitropous +, campylotropous +  and anatropous +
Fl. Bor.-Amer. +
cylindric +
epipetalous +  and antisepalous +
spatulate +  and scale-like +
prostrate +, decumbent +  and creeping +
slender +
slightly 3-lobed;unlobed +
hairy +  and glabrous +
Pyxidanthera +
Diapensiaceae +
rhizomatous +  and caulescent +
evergreen +  and perennial +
subshrub +  and mat-forming +